Okhistory.org W3C HTML Markup Validation
HTML markup errors and warnings
(Rescan now...)
Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
When the attribute “xml:lang” in no namespace is specified, the element must also have the attribute “lang” present with the same value.
Element “span” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
End tag “ul” seen, but there were open elements.
Unclosed element “span”.
Stray end tag “span”.
No space between attributes.
Attribute “.php” not allowed on element “a” at this point.
Stray end tag “input”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
End tag “div” seen, but there were open elements.
Unclosed element “form”.
Stray end tag “div”.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
Attribute “.php” is not serializable as XML 1.0.
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